| 摘要 |
The invention relates to an identification document, which is provided with two superimposed images, and a method for producing such an identification document. The invention further relates to a method for checking the authenticity of such an identification document. In order to better secure identification documents provided with a color image against counterfeiting or manipulation, the images are applied in separate work steps, at least one of the images is present in a form that is not accessible from outside, one of the images is a grayscale image, and one of the images is a color image, which comprises both color information and light/dark information. |
